Don’t need curly braces and don’t need return — can just put an expression. You can also put braces with statements (in which case you do need return).

Errata — details the presenter got mixed up:

Built a grid in HTML, and it looks like he got his X and Y loops reversed. Yes, this is nitpicky.

Told us you can make two delegates with the same name but different parameters (one with two ints and one with two decimals). You can’t; it won’t compile (I double-checked). They can have the same name if they have a different number of generic parameters (since the number of generic parameters is part of the name), but you can’t do it if they’re non-generic.

Told us the compiler generates a new delegate type behind the scenes when you pass an anonymous delegate (it doesn’t, it uses the actual delegate type that the function expects; I double-checked)